diff --git a/test/test_filters.rb b/test/test_filters.rb
index 46f8b38c..6baf906d 100644
--- a/test/test_filters.rb
+++ b/test/test_filters.rb
@@ -93,7 +93,7 @@ class TestFilters < Test::Unit::TestCase
       assert_equal "&lt;code&gt;command &amp;lt;filename&amp;gt;&lt;/code&gt;", @filter.xml_escape("<code>command &lt;filename&gt;</code>")
     end
 
-    should "no error when xml escaping nil"
+    should "not error when xml escaping nil"
       assert_equal "", @filter.xml_escape(nil)
     ned